It's a lifebuoy ring.
Source: tatoeba (8400103)
Lifebuoy
Synonyms for "lifebuoy" (2 found)
Ranked by relevance and common usage.
Sample sentences
4 total sentences available.
The gray rock mocked me, bobbing on the water easy as a lifebuoy.
Source: wiktionary
There was a lifebuoy in the boat with a rope tied to it.
Source: wiktionary
'News?' Andy said, reaching for the lifebuoy of the coffee pot.
Source: wiktionary